An electronic device dry contact action delay measurement device

Abstract

The invention relates to a device for measuring the delay time of dry contact action of electronic equipment. The measuring device includes a detection cable, a signal detection circuit, a parallel interface, a computer and a switch for being arranged at both ends of the dry contact of the electronic equipment under test, wherein the detection cable is connected to the signal detection circuit, and the output end of the signal detection circuit is connected to the computer through the parallel interface. The switch is used to connect the computer and the electronic device under test through its different interfaces. The invention fully complies with the information flow during the actual operation of electronic equipment used in the electric power industry, can ensure that the dry contact action delay of the electronic equipment put into operation meets the technical requirements, avoid power system accidents caused by excessive dry contact action delay, and reduce life and death. property loss; and with high measurement accuracy and convenient operation, it can be used as a general method for measuring the delay time of dry contact action of electronic equipment in the power industry, and has extremely wide application fields and prospects.

Description

technical field [0001] The invention relates to an electronic device dry contact action delay measurement device, which belongs to the technical field of electronic equipment used in the electric power industry. Background technique [0002] At present, many electronic devices used in the power industry are controlled and operated through the opening and closing of dry contacts, and they all receive network messages of the 61850 protocol to drive dry contact actions. A key indicator of electronic equipment used in the power industry is the delay and time dispersion of dry contact action. The dry contact action delay refers to the time difference between the moment when the electronic device receives the instruction and the time when the dry contact operates. The time dispersion refers to the difference in the results of multiple measurements of the dry contact action delay, reflecting the stability of the dry contact action delay. Therefore, when the electronic equipment is...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a device for measuring the delay time of dry contact action of electronic equipment, so as to solve the problem that the lack of a unified method and equipment for measuring the delay time of dry contact action of electronic equipment used in the electric power industry makes it impossible for the purchaser to carry out the inspection and acceptance of the factory.

Images